Its All Turns effect gives it the ability to delete a Digimon with 8000 DP or less when a card is removed from either you or your opponent's security stack
But, if you have a Digimon that can Digivolve into the Digimon on the board or in the breeding area, after using it's Option effect, you can then Digivolve into the Digimon side without paying its cost, and often the Option cost will be higher than the Digivolution cost so being able to use the Option and then Digivolve would allow this to be used to its fullest
halimar tidecaller WotC themselves draw a distinction between 'design' and 'development', where design is making cards and development is adapting those cards to the limited / standard environment
Trigger [Trigger] Draw 1 card, look at up to 1 card from the top of your or your opponent's Life cards, and place it at the top or bottom of the Life cards
What Kind of Deck is it
There are starter decks and two-player starter decks available for new players, with each starter deck equipped with 50 cards